Figure 6-4 -Refer to Figure 6-4.Which of the Following Statements About Price

Figure 6-4

-Refer to Figure 6-4.Which of the following statements about price elasticity of demand is true?

A) The elasticity coefficient is constant along the demand curve.
B) The elastic portion of a straight-line, downward-sloping demand curve corresponds to the segment above the midpoint.
C) The inelastic portion of the demand curve corresponds to the segment above the midpoint.
D) At the midpoint of the demand curve, the elasticity coefficient is zero.